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[86.49.251.7]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49b49cc61cfsm414356655e9.6.2026.08.31.08.00.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Aug 2026 08:00:11 -0700 (PDT) From: Andrew Jones To: linux-riscv@lists.infradead.org, iommu@lists.linux.dev Cc: linux-kernel@vger.kernel.org, tomasz.jeznach@linux.dev, tjeznach@rivosinc.com, jgg@ziepe.ca, jgg@nvidia.com, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, pjw@kernel.org, palmer@dabbelt.com, anup@brainfault.org, tglx@kernel.org, kevin.tian@intel.com, fangyu.yu@linux.alibaba.com Subject: [PATCH v5 16/17] riscv: defconfig: Enable IOMMUFD and VFIO Date: Mon, 31 Aug 2026 16:59:42 +0200 Message-ID: <20260831145943.313726-17-andrew.jones@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260831145943.313726-1-andrew.jones@oss.qualcomm.com> References: <20260831145943.313726-1-andrew.jones@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwODMxMDEyOSBTYWx0ZWRfX86X8IT7XXKts A+uBuO8ppSgEvBYgcFrr0Ochz4ZQc+9CFei8BtuLH3crhaZd08qBchrauGN9nzthNT0DgMyWTah wLEgJMREiEWLUfgWbpYEAnKnpr+xUac= X-Proofpoint-GUID: uJghS1YdpLRIvh5ZD3G5tnqgdEiiB9X3 X-Authority-Analysis: v=2.4 cv=CYE4Irrl c=1 sm=1 tr=0 ts=6a9596fe cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=on9AXyaqQ0RhfYpiXjjEXA==:17 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=B9Crq1QHcyRNgBBHHYMA:9 a=zZCYzV9kfG8A:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-ORIG-GUID: uJghS1YdpLRIvh5ZD3G5tnqgdEiiB9X3 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODMxMDEyOSBTYWx0ZWRfX60av8CbrGfB7 ZK8GO5EKULCU1AOxTN0ZV75mckebe3Ma3vjORLMLw3X3mcuxDI84RRTZO1iXhYPdUIbnLSy0vdN D9fUkhiMY5WbWIm8tIJzol+2qXZDtbYhojEpkYaFEeOlEfS9br8xKb26hnrBVZDSd15Mbjr9kt3 53e7A41IaIG9WhnU3y/OE5k9eV011o0lVAv+WWp6rM8jysfiHsDAkA/YDI+JqY8XsLoHv0AAKB1 ivLONFM+0VUL7L1oO08gzeyu4JFooHXfYQKWJITBK6ehDNkOCHtiun3vMQ+Sw+TkUvFTh2Sjy+G rDiK/ITzTuoy7jxkxVuEtbXSAXufaPycjVWJoafrOMnQrI9b81Y0/N2gN2RscBllhcotHtWxmMH lg4i1Gpnwx4H1wP/hsPlRk5qEsSydA+JBfp6nSRBqAH2A1hI+4hTXQx3CYtOQGx0XqWAe88s7Fe c1hMFWKEFpVRi0FyDGw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-31_05,2026-08-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 adultscore=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 spamscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608310129 Enable iommufd and VFIO in the default configuration now that the RISC-V IOMMU provides the DMA and MSI remapping needed for userspace device access, including assignment to virtual machines. Signed-off-by: Andrew Jones --- arch/riscv/configs/defconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig index ed605b5e3162..bae9a0f32f89 100644 --- a/arch/riscv/configs/defconfig +++ b/arch/riscv/configs/defconfig @@ -249,6 +249,10 @@ CONFIG_DMADEVICES=y CONFIG_DMA_SUN6I=m CONFIG_DW_AXI_DMAC=y CONFIG_MMP_PDMA=m +CONFIG_IOMMUFD=m +CONFIG_VFIO_DEVICE_CDEV=y +CONFIG_VFIO=m +CONFIG_VFIO_PCI=m CONFIG_VIRTIO_PCI=y CONFIG_VIRTIO_BALLOON=y CONFIG_VIRTIO_INPUT=y -- 2.43.0